UI Movement - The best UI design inspiration, daily
Dr.Explain - Dr.Explain software is a help file authoring tool.
UI Garage - Specific mobile and web design patterns for your inspiration
HelpSmith - HelpSmith is a help authoring tool to create CHM HTML help files, manuals, and PDF documents.
CodeMyUI - Handpicked code snippets you can use in your web projects
MadCap Flare - Documentation for Any Audience, Language or Format